diff --git a/app/src/main/java/dev/synapsetech/compass/MainActivity.kt b/app/src/main/java/dev/synapsetech/compass/MainActivity.kt
index 670e171..f992101 100644
--- a/app/src/main/java/dev/synapsetech/compass/MainActivity.kt
+++ b/app/src/main/java/dev/synapsetech/compass/MainActivity.kt
@@ -29,8 +29,7 @@ import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.receiveAsFlow
 import kotlinx.coroutines.launch
 
-
-private enum class Cardinal(val letter: String, val degree: Int) {
+enum class Cardinal(val letter: String, val degree: Int) {
     NORTH("N", 0),
     EAST("E", 90),
     SOUTH("S", 180),
diff --git a/app/src/test/java/dev/synapsetech/compass/CardinalEnumTest.kt b/app/src/test/java/dev/synapsetech/compass/CardinalEnumTest.kt
new file mode 100644
index 0000000..360879a
--- /dev/null
+++ b/app/src/test/java/dev/synapsetech/compass/CardinalEnumTest.kt
@@ -0,0 +1,27 @@
+package dev.synapsetech.compass
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+class CardinalEnumTest {
+    @Test
+    fun detection_isCorrect() {
+        assertEquals(Cardinal.NORTH, Cardinal.fromDegree(0))
+        assertEquals(Cardinal.NORTH, Cardinal.fromDegree(360))
+        assertEquals(Cardinal.NORTH, Cardinal.fromDegree(10))
+        assertEquals(Cardinal.NORTH, Cardinal.fromDegree(350))
+
+        assertEquals(Cardinal.EAST, Cardinal.fromDegree(90))
+        assertEquals(Cardinal.EAST, Cardinal.fromDegree(83))
+        assertEquals(Cardinal.EAST, Cardinal.fromDegree(99))
+
+        assertEquals(Cardinal.SOUTH, Cardinal.fromDegree(180))
+        assertEquals(Cardinal.SOUTH, Cardinal.fromDegree(172))
+        assertEquals(Cardinal.SOUTH, Cardinal.fromDegree(194))
+
+        assertEquals(Cardinal.WEST, Cardinal.fromDegree(270))
+        assertEquals(Cardinal.WEST, Cardinal.fromDegree(267))
+        assertEquals(Cardinal.WEST, Cardinal.fromDegree(286))
+    }
+}
\ No newline at end of file
diff --git a/app/src/test/java/dev/synapsetech/compass/ExampleUnitTest.kt b/app/src/test/java/dev/synapsetech/compass/ExampleUnitTest.kt
deleted file mode 100644
index 2415b47..0000000
--- a/app/src/test/java/dev/synapsetech/compass/ExampleUnitTest.kt
+++ /dev/null
@@ -1,17 +0,0 @@
-package dev.synapsetech.compass
-
-import org.junit.Test
-
-import org.junit.Assert.*
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * See [testing documentation](http://d.android.com/tools/testing).
- */
-class ExampleUnitTest {
-    @Test
-    fun addition_isCorrect() {
-        assertEquals(4, 2 + 2)
-    }
-}
\ No newline at end of file